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#include<cstdio>
using namespace std;
int n,st[20];
bool viz[20];
void afisare()
{
int i;
for(i=1;i<=n;i++)
printf("%d ",st[i]);
printf("\n");
}
void bkt(int k)
{
int i;
if(k==n+1)
afisare();
else
for(i=1;i<=n;i++)
if(!viz[i])
{
st[k]=i;
viz[i]=1;
bkt(k+1);
viz[i]=0;
}
}
int main()
{
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);
scanf("%d",&n);
bkt(1);
return 0;
}